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@Berny I see. So is there anyway to track back the url? Then for Trojan.Script.Generic, What does it do in general? Is it a keylogger? Does it execute by self? Can it upload files to some remote server?

My version is 21.1.15.500 (c). So I downloaded the 2021 extension. The Web Anti-virus is already enabled. Do you need more information of my system? I have passed the questions here again for quick reference. How did the Trojan script got into the browser in the first place? How did it bypass the anti-virus? I only saw the issue when I was checking something else and saw the “exclamation mark” on the anti-virus icon. Why is there no pop-up screen for me to take action when it is detected? https://threats.kaspersky.com/en/threat/Trojan.Script.Generic/ did not say much about the payload. How do I know what information is compromised? Should I be concern about anything? Or is it a false positive?

Berny, so do I install both extension or one of them? I cannot find the option to check if the web anti-virus module is enabled or not. But I can see there are event logs in the web anti-virus Reports. So I assume it is working.

Are you talking about this one: https://addons.mozilla.org/en-US/firefox/addon/kaspersky-protection-2020/ ? If yes, the answer is no. I do not have this extension in Firefox.

@Benny Thanks. May I know what details do you want to see? Under the reports, there are many sections. So do you mean “Detected Objects”? I have copied the following from the “Detected Objects” report. Please note that the name has been replaced. Detected object (file) no longer available;C:\Users\name\AppData\Local\Mozilla\Firefox\Profiles\z6klobqk.default-1578493695352\cache2\entries\CE7D3D660289BD98546FCE59E36ACD6A4277FE8E;HEUR:Trojan.Script.Generic;File;Trojan program;Today, 6/12/2020 4:58 PM Detected object (file) no longer available;C:\Users\name\AppData\Local\Mozilla\Firefox\Profiles\z6klobqk.default-1578493695352\cache2\entries\CE7D3D660289BD98546FCE59E36ACD6A4277FE8E//CE7D3D660289BD98546FCE59E36ACD6A4277FE8E;HEUR:Trojan.Script.Generic;File;Trojan program;Today, 6/12/2020 4:58 PM Is that sufficient?

Hi Today, I saw two pending issues for me to resolve on my Kaspersky Security Cloud Anti-virus. Trojan.Script.Generic was detected in the Profile (AppData\Local\Mozilla\Firefox\Profiles\z6klobqk.default-1578493695352\cache2\entries\CE7D3D660289BD98546FCE59E36ACD6A4277FE8E ) of my Firefox browser. So I clicked the button to resolve the issues. After that. I did a re-scan of my computer and found nothing. Here are some questions: How did the Trojan script got into the browser in the first place? How did it bypass the anti-virus? I only saw the issue when I was checking something else and saw the “exclamation mark” on the anti-virus icon. Why is there no pop-up screen for me to take action when it is detected? https://threats.kaspersky.com/en/threat/Trojan.Script.Generic/ did not say much about the payload. How do I know what information is compromised? Should I be concern about anything? Or is it a false positive?Thank you for reading :)